Dobinsons Big Bore Steering Damper Dobinsons Spring and Suspension€™s range of 4wd steering dampers are the perfect addition to your Dobinsons suspension kit. Featuring a larger body size for smoother cooler operation and 50/50 valving Dobinsons heavy duty steering dampers ensure comfortable controlled steering operation, especially on vehicles fitted with raised suspension, additional accessories or larger tires. Our heavy duty steering dampers feature a 18mm chromed rod, 32mm bore and 50mm (2.0") body with a foam cell insert. End mountings are kept the same as the original vehicle mountings to ensure hassle free fitment.